* datasource(postgresql): add support of pgpass file
* remove `required` label for password field
* set `runPostgresTests` back to false
* fix after merge conflict
* add pgx_test
* set `runPostgresTests` back to `false`
* Add `no password` test case to the `pgx_test.go` as well
* fix `postgres_pgx_test.go`
* Update datasource docs
* docs wording
* docs: `datasource` -> `data source`
* Update docs/sources/datasources/postgres/configure/_index.md
Co-authored-by: Zoltán Bedi <zoltan.bedi@gmail.com>
* run prettier - docs
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Co-authored-by: Zoltán Bedi <zoltan.bedi@gmail.com>
* Create libpqToPGX feature toggle
* Refactor PostgreSQL datasource to support PGX with feature toggle
- Updated `ProvideService` to accept feature toggles for enabling PGX.
- Modified integration tests to use the new PGX connection method.
- Introduced new functions for handling PGX connections and queries.
- Enhanced TLS configuration handling for PostgreSQL connections.
- Updated existing tests to ensure compatibility with PGX and new connection methods.
* Update PostgreSQL datasource to enhance connection pooling and error handling
- Increased `MaxOpenConns` to 10 in integration tests for improved connection management.
- Refactored connection handling in `newPostgresPGX` to return a connection pool instead of a single connection.
- Updated health check error handling to utilize context and feature toggles for better error reporting.
- Adjusted `DisposePGX` method to close the connection pool properly.
- Enhanced query execution to acquire connections from the pool, ensuring efficient resource usage.
* Cleanup
* Revert postgres_test unnecessary changes
* Rename feature toggle from `libpqToPGX` to `postgresDSUsePGX`
* Add null check to dispose method
* Fix lint issues
* Refactor connection string generation
* Address comment in health check file
* Rename p to pool
* Refactor executeQueryPGX and split into multiple functions
* Fix lint issues
* The returning error message from PGX is enough no need to separate the error code.
* Move TLS handling to newPostgresPGX function
* Disable ssl for integration tests
* Use MaxIdleConns option
* Remove old feature toggle
* Rename`generateConnectionConfigPGX` to `generateConnectionStringPGX`
* Add back part of the error messages
* Don't show max idle connections option when PGX enabled
* Address comments from Sriram
* Add back Sriram's changes
* PostgreSQL: Rework tls manager to use temporary files instead (#105330)
* Rework tls manager to use temporary files instead
* Lint and test fixes
* Update pkg/tsdb/grafana-postgresql-datasource/postgres.go
Co-authored-by: Ivana Huckova <30407135+ivanahuckova@users.noreply.github.com>
* Update betterer
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Co-authored-by: Ivana Huckova <30407135+ivanahuckova@users.noreply.github.com>
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Co-authored-by: Ivana Huckova <30407135+ivanahuckova@users.noreply.github.com>
